Trick ‘r Treat

Four interwoven stories that occur on Halloween: an everyday high school principal has a secret life as a serial killer; a college virgin might have just met the one guy for her; a group of teenagers pull a mean prank; a bitter old recluse receives an uninvited guest.

During an ever-growing epidemic of zombies that have risen from the dead, two Philadelphia SWAT team members, a traffic reporter, and his television-executive girlfriend seek refuge in a secluded shopping…